User guide

DS1875
Lower Memory, Register 72h: ALARM
1
POWER-ON VALUE 00h
READ ACCESS All
WRITE ACCESS N/A
MEMORY TYPE Volatile
72h RESERVED RESERVED RESERVED RESERVED BIAS HI RESERVED TXP HI TXP LO
BIT 7 BIT 0
BITS 7:4 RESERVED
BIT 3
BIAS HI: High alarm status bias; fast comparison.
0 = (Default) Last comparison was below threshold setting.
1 = Last comparison was above threshold setting.
BIT 2 RESERVED
BIT 1
TXP HI: High alarm status TXP; fast comparison.
0 = (Default) Last comparison was below threshold setting.
1 = Last comparison was above threshold setting.
BIT 0
TXP LO: Low alarm status TXP; fast comparison.
0 = (Default) Last comparison was above threshold setting.
1 = Last comparison was below threshold setting.
Lower Memory, Register 73h: ALARM
0
POWER-ON VALUE 00h
READ ACCESS All
WRITE ACCESS N/A
MEMORY TYPE Volatile
73h M3QT HI RESERVED RESERVED RESERVED BIAS MAX RESERVED RESERVED RESERVED
BIT 7 BIT 0
BIT 7
M3QT HI: High alarm status for MON3; fast comparison.
0 = (Default) Last comparison was below threshold setting.
1 = Last comparison was above threshold setting.
BITS 6:4 RESERVED
BIT 3
BIAS MAX: Alarm status for maximum digital setting of BIAS.
0 = (Default) The value for BIAS is equal to or below the MAX BIAS register.
1 = Requested value for BIAS is greater than the MAX BIAS register.
BITS 2:0 RESERVED
PON Triplexer and SFP Controller
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